This is a high-performance replacement two-way battery for the M/A-COM PCS, guaranteed to meet or exceed the OEM specifications of your original. The two-way battery is 2.4 x 1.46 x 2.22 inches. Manufactured by Empire Scientific, model number EPP-2931. We offer a 1 Year Warranty with purchase. See this product elsewhere at a lower price? Call or email us; we have a Price Match Guarantee.